[{"name":"basic","description":"Basic heat transport, constant diffusivity, 10s","duration":10.0,"grid_size":25},{"name":"iter_lmode","description":"ITER L-mode stationary state, 80s","duration":80.0,"grid_size":25},{"name":"fast_diffusion","description":"High diffusivity, rapid equilibration, 5s","duration":5.0,"grid_size":25}]